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Elevation
Place
Live elevation
Topo maps
Elevation Place
Topographic maps
Illinois
Alto Pass
Quadrangle archive
Alto Pass, IL
5 available scans
Historical topo
1949 edition
Scale 1:62,500
Historical topo
1947 edition
Scale 1:62,500
Historical topo
1947 edition
Scale 1:62,500
Historical topo
1924 edition
Scale 1:62,500
Historical topo
1924 edition
Scale 1:62,500
